{
    "tender_id": 3828375,
    "check": {
        "ok": true,
        "versions": 3,
        "broken_at": null
    },
    "formula": "content_hash = sha256(content); hash = sha256(prev_hash + \"\\n\" + tender_id + \"\\n\" + version + \"\\n\" + recorded_at + \"\\n\" + content_hash [+ \"\\n\" + actor, when the version has one])",
    "versions": [
        {
            "version": 1,
            "recorded_at": "2026-10-28T21:30:25Z",
            "content": "{\"cpv\": \"66510000\", \"url\": \"https://platformazakupowa.pl/transakcja/1399370\", \"buyer\": \"Wojewódzka Stacja Pogotowia Ratunkowego i Transportu Sanitarnego \\\"Meditrans\\\" SP ZOZ w Warszawie\", \"title\": \"57/ZP/2026 Kompleksowe ubezpieczenie komunikacyjne pojazdów\", \"region\": \"mazowieckie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1399370\", \"deadline_at\": \"2026-11-13T08:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-28T21:30:25Z\", \"notice_number\": \"1399370\"}",
            "content_hash": "8bff12fc96a3780abdeb42f87048bb5b5a4d920e32dd8e30dac17816196a5306",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "8701e648886597373445e1e5f9c3935e10be0fb4715b67739f4d0283b30382aa",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-28T21:45:31Z",
            "content": "{\"cpv\": \"66510000\", \"url\": \"https://platformazakupowa.pl/transakcja/1399370\", \"buyer\": \"Wojewódzka Stacja Pogotowia Ratunkowego i Transportu Sanitarnego \\\"Meditrans\\\" SP ZOZ w Warszawie\", \"title\": \"57/ZP/2026 Kompleksowe ubezpieczenie komunikacyjne pojazdów\", \"region\": \"mazowieckie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1399370\", \"deadline_at\": \"2026-11-13T08:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-28T21:30:25Z\", \"notice_number\": \"1399370\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1399370\"}",
            "content_hash": "7d4cb16f471b9d7ac52ea5d479417679aeb9205c807807402775bbeb5597ae32",
            "prev_hash": "8701e648886597373445e1e5f9c3935e10be0fb4715b67739f4d0283b30382aa",
            "hash": "7803aa57846293a251c075c0e2f641a497fe30d1a139d6914688d27698cb8e35",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-10-29T01:53:11Z",
            "content": "{\"cpv\": \"66510000\", \"url\": \"https://platformazakupowa.pl/transakcja/1399370\", \"buyer\": \"Wojewódzka Stacja Pogotowia Ratunkowego i Transportu Sanitarnego \\\"Meditrans\\\" SP ZOZ w Warszawie\", \"title\": \"57/ZP/2026 Kompleksowe ubezpieczenie komunikacyjne pojazdów\", \"region\": \"mazowieckie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1399370\", \"deadline_at\": \"2026-11-13T08:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-27T23:00:00Z\", \"notice_number\": \"1399370\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1399370\"}",
            "content_hash": "bfc00d1207af38674f9a6057f709bf7b26208e681910c3620e965d85a783de47",
            "prev_hash": "7803aa57846293a251c075c0e2f641a497fe30d1a139d6914688d27698cb8e35",
            "hash": "f362f84dd2d4f07f35b008efcd595a049de39f4587c6e1c1df50c804be7ad99b",
            "actor": null,
            "seal": null
        }
    ]
}